High 1028 hPa centered on the North of the Bay of Biscay moving at 15 knots to the East-North-East to be centered on West Channel.
For Sainte-Marine :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, light cloudy spells.
NE force 1 turning S force 2 in the middle of the day then E. Gusts reaching 10 knots in the middle of the day. Smooth to slight sea becoming smooth in the middle of the day. Low, fairly long swell from SSW. Good visibility becoming excellent in the middle of the day then poor.